Home / 18,210,228.40-27,307,469.40-9,108,809.20

Finding the Fourth Proportional to 18,210,228.40, 27,307,469.40 and 9,108,809.20

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Solution

The fourth proportional to 18,210,228.40, 27,307,469.40 and 9,108,809.20 is: 13,659,275.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,210,228.40 : 27,307,469.40 = 9,108,809.20 : x
  2. Step 2: Convert to fraction form
    18,210,228.40/27,307,469.40 = 9,108,809.20/x
  3. Step 3: Cross multiply
    18,210,228.40x = 27,307,469.40 × 9,108,809.20
  4. Step 4: Simplify right side
    18,210,228.40x = 248,738,528,499,438.44
  5. Step 5: Solve for x
    x = 248,738,528,499,438.44/18,210,228.40
  6. Step 6: Final answer
    x = 13,659,275.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.